```Python hl_lines="10"
{!../../docs_src/query_params/tutorial006.py!}
```

위 예시에서는 3가지 쿼리 매개변수가 있습니다:

* `needy`, 필수적인 `str`.
* `skip`, 기본값이 `0`인 `int`.
* `limit`, 선택적인 `int`.

/// tip | "팁"

[경로 매개변수](path-params.md#_8){.internal-link target=_blank}와 마찬가지로 `Enum`을 사용할 수 있습니다.

		t.Errorf("expected 1 thing got more")
	}
}

type CompanyNew struct {
	ID   int
	Name int
}

func TestAlterColumnDataType(t *testing.T) {
	DB.AutoMigrate(Company{})

	if err := DB.Table("companies").Migrator().AlterColumn(CompanyNew{}, "name"); err != nil {
		t.Fatalf("failed to alter column from string to int, got error %v", err)
	}

	DB.AutoMigrate(Company{})

class User(BaseModel):
    username: str
    full_name: str | None = None


@app.put("/items/{item_id}")
async def update_item(
    *,
    item_id: int,
    item: Item,
    user: User,
    importance: int = Body(gt=0),
    q: str | None = None,
):
    results = {"item_id": item_id, "item": item, "user": user, "importance": importance}
    if q:
        results.update({"q": q})

app = FastAPI()


fake_items_db = [{"item_name": "Foo"}, {"item_name": "Bar"}, {"item_name": "Baz"}]


class CommonQueryParams:
    def __init__(self, q: Union[str, None] = None, skip: int = 0, limit: int = 100):
        self.q = q
        self.skip = skip
        self.limit = limit


@app.get("/items/")
async def read_items(commons: CommonQueryParams = Depends()):
    response = {}
    if commons.q:

     * @param ps
     *            {@link PreparedStatement}。{@literal null}であってはいけません
     * @return 更新した結果の行数
     * @throws SQLRuntimeException
     *             {@link SQLException}が発生した場合
     */
    public static int executeUpdate(final PreparedStatement ps) throws SQLRuntimeException {
        assertArgumentNotNull("ps", ps);

        try {
            return ps.executeUpdate();
        } catch (final SQLException ex) {

     */
    public static String[] parse(final String line) {
        boolean insideQuote = false;
        final ArrayList<String> result = new ArrayList<>();
        int quoteCount = 0;
        final StringBuilder sb = new StringBuilder();
        for (int i = 0; i < line.length(); i++) {
            final char c = line.charAt(i);

            if (c == QUOTE) {
                insideQuote = !insideQuote;

import okhttp3.internal.SuppressSignatureCheck
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.http2.Http2
import okhttp3.internal.platform.android.AndroidLog.androidLog

private val LogRecord.androidLevel: Int
  get() =
    when {
      level.intValue() > Level.INFO.intValue() -> Log.WARN
      level.intValue() == Level.INFO.intValue() -> Log.INFO
      else -> Log.DEBUG
    }

object AndroidLogHandler : Handler() {

from fastapi import FastAPI, Path
from typing_extensions import Annotated

app = FastAPI()


@app.get("/items/{item_id}")
async def read_items(
    item_id: Annotated[int, Path(title="The ID of the item to get", ge=1)], q: str
):
    results = {"item_id": item_id}
    if q:
        results.update({"q": q})

    // a ClassCastException is what's supposed to happen!
    @SuppressWarnings("unchecked")
    K k = (K) t;
    int unused = comparator().compare(k, k);
    return t;
  }

  @Override
  public boolean equals(@Nullable Object obj) {
    return delegate.equals(obj);
  }

  @Override
  public int hashCode() {
    return delegate.hashCode();
  }

  @Override
  public String toString() {

package jstream

import (
	"bytes"
	"testing"
)

func mkReader(s string) *bytes.Reader { return bytes.NewReader([]byte(s)) }

func TestDecoderSimple(t *testing.T) {
	var (
		counter int
		mv      *MetaValue
		body    = `[{"bio":"bada bing bada boom","id":1,"name":"Charles","falseVal":false}]`
	)

	decoder := NewDecoder(mkReader(body), 1)

	for mv = range decoder.Stream() {
		counter++